atropine

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at·ro·pine

 (ăt′rə-pēn′, -pĭn) also at·ro·pin (-pĭn)
n.
A poisonous, bitter, crystalline alkaloid, C17H23NO3, obtained from belladonna and other related plants. It is used to dilate the pupils of the eyes and as an antispasmodic.

[From New Latin Atropa, genus name of belladonna, from Greek Atropos, Atropos; see Atropos.]

atropine

(ˈætrəˌpiːn; -pɪn) ,

atropin

or

atropia

n
(Pharmacology) a poisonous alkaloid obtained from deadly nightshade, having an inhibitory action on the autonomic nervous system. It is used medicinally in pre-anaesthetic medication, to speed a slow heart rate, and as an emergency first-aid counter to exposure to chemical warfare nerve agents. Formula: C17H23NO3
[C19: from New Latin atropa deadly nightshade, from Greek atropos unchangeable, inflexible; see Atropos]

at•ro•pine

(ˈæ trəˌpin, -pɪn)

n.
a poisonous crystalline alkaloid, C17H23NO3, obtained from belladonna or other nightshade plants, used chiefly to relieve spasms or, topically, to dilate the pupil of the eye.
[1830–40; < New Latin Atrop(a) belladonna genus < Greek átropos not turnip, inflexible; see a-6, -trope]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.atropine - a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides
antidote, counterpoison - a remedy that stops or controls the effects of a poison
antispasmodic, antispasmodic agent, spasmolytic - a drug used to relieve or prevent spasms (especially of the smooth muscles)
belladonna - an alkaloidal extract or tincture of the poisonous belladonna plant that is used medicinally
mydriatic, mydriatic drug - a drug that causes the pupil of the eye to dilate; used to aid eye examinations
alkaloid - natural bases containing nitrogen found in plants
poison, poisonous substance, toxicant - any substance that causes injury or illness or death of a living organism
Translations

atropine

n atropina
References in periodicals archive ?
The typical toxic symptoms are similar to that seen in case of atropine poisoning and include both peripheral (dry mucosa, flushed skin, mydriasis and blurred vision, thirst, swallowing difficulty, photophobia, urinary retention and tachycardia) and central (agitation, combative behavior, hallucination, delirium, seizure and coma) anticholinergic manifestations.
Not only did Agatha Christie introduce her readers to atropine poisoning, in a subsequent story, The Crooked House, she acquainted them with the usual antidote, phytostigmine.